船闸输水阀门运行工艺现场测试优化  

Optimization of operation process of filling and emptying valve of ship lock based on field test

作　　者：张勇 ZHANG Yong(Three Gorges Navigation Authority,Yichang 443000,China)

机构地区：[1]长江三峡通航管理局,湖北宜昌443000

出　　处：《水运工程》2023年第9期133-138,共6页Port & Waterway Engineering

摘　　要：通过高水头船闸输水阀门运行工艺优化,改善闸室内船舶停泊条件及输水廊道阀门段水流条件,这是解决过闸船舶大型化导致系缆力超过设计值等问题的重要技术方法。结合某大型船闸输水阀门运行实例,通过动水关(开)阀开度调整、动水关阀剩余水头等不同工况的输水阀门运行工艺,开展水力学现场测试,选定充泄水时间、惯性超高(降)均满足设计及规范要求的充泄水阀门优化运行工艺。现场测试表明:采用推荐的输水阀门运行工艺,可有效地改善闸室内船舶停泊及输水廊道水力学条件,双边充水时船舶最大系缆力比现状工况降低近39.3%,人字门开启时船舶最大系缆力比现状工况降低近59%。By optimizing the operation of the filling and emptying valve of a high-head lock,the berthing conditions of ships in the lock chamber and the flow conditions of the valve section of the water-delivery corridor can be improved.This is an essential technical means to solve the problem that the mooring force exceeds the designed value due to the large size of the ship passing the lock.Combined with the operation status of the filling and emptying valve of a large ship lock through adjusting the opening of the dynamic water closing(opening)valve,the residual head of the dynamic water shutoff valve under different working conditions of the filling and emptying valve operation process and the hydraulic field test,the optimized operation process of the water filling valve with the water filling and discharging time and inertia superelevation(drop)meeting the design and specification requirements is selected.The field test shows that the recommended operation process of the water conveyance valve can effectively improve the berthing conditions of the ship in the lock chamber and the hydraulic conditions of the water conveyance corridor.The maximum mooring force of the ship during bilateral water filling is 39.3%lower than the current working condition.When the miter door is opened,the maximum mooring force of the ship is reduced by nearly 59%compared with the current working condition.

关 键 词：大型船闸 水力学 原型观测 阀门运行优化 船舶系缆力 

分 类 号：U653.2[交通运输工程—港口、海岸及近海工程]